-- @testpoint: opengauss关键字unlimited(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists unlimited;
create function unlimited(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists unlimited;
--关键字带双引号-成功
drop function if exists "unlimited";
create function "unlimited"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "unlimited";
--关键字带单引号-合理报错
drop function if exists 'unlimited';
create function 'unlimited'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `unlimited`;
create function `unlimited`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
